snowflake: update to version 2.4.1

snowflake: update to version 2.4.1

Changes in version v2.4.1 - 2022-12-01
 - Issue 40224: Bug fix in utls roundtripper

Changes in version v2.4.0 - 2022-11-29
 - Fix proxy command line help output
 - Issue 40123: Reduce multicast DNS candidates
 - Add ICE ephemeral ports range setting
 - Reformat using Go 1.19
 - Update CI tests to include latest and minimum Go versions
 - Issue 40184: Use fixed unit for bandwidth logging
 - Update gorilla/websocket to v1.5.0
 - Issue 40175: Server performance improvements
 - Issue 40183: Change snowflake proxy log verbosity
 - Issue 40117: Display proxy NAT type in logs
 - Issue 40198: Add a `orport-srcaddr` server transport option
 - Add gofmt output to CI test
 - Issue 40185:  Change bandwidth type from int to int64 to prevent overflow
 - Add version output support to snowflake
 - Issue 40229: Change regexes for ipv6 addresses to catch url-encoded addresses
 - Issue 40220: Close stale connections in standalone proxy

Signed-off-by: Daniel Golle <daniel@makrotopia.org>